US6847786B2 - Compact wavelength filter using optical birefringence and reflective elements - Google Patents
Compact wavelength filter using optical birefringence and reflective elements Download PDFInfo
- Publication number
- US6847786B2 US6847786B2 US09/730,320 US73032000A US6847786B2 US 6847786 B2 US6847786 B2 US 6847786B2 US 73032000 A US73032000 A US 73032000A US 6847786 B2 US6847786 B2 US 6847786B2
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- United States
- Prior art keywords
- polarization
- beams
- polarized
- reflected
- spectral band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
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- 230000010287 polarization Effects 0.000 claims abstract description 260
- 230000003595 spectral effect Effects 0.000 claims abstract description 82
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000001419 dependent effect Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 26
- 238000002955 isolation Methods 0.000 claims description 12
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Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2706—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
- G02B6/2713—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
- G02B6/272—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations comprising polarisation means for beam splitting and combining
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/12—Beam splitting or combining systems operating by refraction only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29302—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means based on birefringence or polarisation, e.g. wavelength dependent birefringence, polarisation interferometers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29392—Controlling dispersion
- G02B6/29394—Compensating wavelength dispersion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29397—Polarisation insensitivity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
- G02B6/278—Controlling polarisation mode dispersion [PMD], e.g. PMD compensation or emulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/06—Polarisation multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0032—Construction using static wavelength routers (e.g. arrayed waveguide grating router [AWGR] )
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0035—Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
Abstract
Description
Claims (53)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/730,320 US6847786B2 (en) | 1996-10-29 | 2000-12-04 | Compact wavelength filter using optical birefringence and reflective elements |
PCT/US2002/000185 WO2003021836A1 (en) | 2000-12-04 | 2001-12-04 | Compact wavelength filter using optical birefringence and reflective elements |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/739,424 US5867291A (en) | 1996-10-29 | 1996-10-29 | Programmable wavelength router |
US09/240,550 US5978116A (en) | 1996-10-29 | 1999-01-29 | Programmable wavelength router |
US09/274,270 US6163393A (en) | 1996-10-29 | 1999-03-22 | Method and apparatus for wavelength multipexing/demultiplexing |
US09/730,320 US6847786B2 (en) | 1996-10-29 | 2000-12-04 | Compact wavelength filter using optical birefringence and reflective elements |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/274,270 Continuation-In-Part US6163393A (en) | 1996-10-29 | 1999-03-22 | Method and apparatus for wavelength multipexing/demultiplexing |
Publications (2)
Publication Number | Publication Date |
---|---|
US20020163691A1 US20020163691A1 (en) | 2002-11-07 |
US6847786B2 true US6847786B2 (en) | 2005-01-25 |
Family
ID=30116279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/730,320 Expired - Fee Related US6847786B2 (en) | 1996-10-29 | 2000-12-04 | Compact wavelength filter using optical birefringence and reflective elements |
Country Status (2)
Country | Link |
---|---|
US (1) | US6847786B2 (en) |
WO (1) | WO2003021836A1 (en) |
Cited By (8)
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US20020191904A1 (en) * | 2001-06-13 | 2002-12-19 | Nippon Telegraph And Telephone Corporation | Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter |
US7349089B1 (en) * | 2005-06-28 | 2008-03-25 | Hrl Laboratories, Llc | High transmission multi-wavelength filter and method |
DE102008052475A1 (en) * | 2008-10-20 | 2010-04-29 | Raab, Volker, Dr. | A polarization |
US20100214527A1 (en) * | 2009-02-25 | 2010-08-26 | Xuefeng Yue | Liquid crystal optical switch for optical signal having arbitrary polarization |
CN101726872B (en) * | 2009-12-31 | 2012-09-19 | 招远招金光电子科技有限公司 | Switchable low dispersion comb filter and method |
US10439302B2 (en) | 2017-06-08 | 2019-10-08 | Pct International, Inc. | Connecting device for connecting and grounding coaxial cable connectors |
US10663771B2 (en) * | 2012-02-23 | 2020-05-26 | Switch Materials, Inc. | Optical filter with light source |
WO2021047159A1 (en) * | 2019-09-12 | 2021-03-18 | 亨通洛克利科技有限公司 | Optical wavelength-division multiplexer |
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AU2002343192A1 (en) * | 2001-10-25 | 2003-05-06 | Lambda Crossing Ltd. | Polarization insensitive tunable optical filters |
US7154659B1 (en) * | 2002-04-18 | 2006-12-26 | General Photonics Corporation | Optical depolarizers and DGD generators based on optical delay |
US7157687B1 (en) * | 2002-10-07 | 2007-01-02 | General Photonics Corporation | Optical devices with folded optical path designs |
US20040101237A1 (en) * | 2002-11-26 | 2004-05-27 | Xiang-Dong Cao | Method and apparatus for providing tunable chromatic dispersion slope compensation |
JP4393094B2 (en) * | 2003-04-10 | 2010-01-06 | キヤノン株式会社 | Optical system |
US7723670B1 (en) | 2007-03-26 | 2010-05-25 | General Photonics Corporation | Optical differential group delay module with folded optical path |
US8314988B2 (en) * | 2007-12-21 | 2012-11-20 | Infinera Corporation | Polarization insensitive optical circuit |
US8452185B2 (en) * | 2007-12-21 | 2013-05-28 | Infinera Corporation | Polarization insensitive optical circuit |
US8064036B2 (en) * | 2009-04-30 | 2011-11-22 | Oclaro (North America), Inc. | Liquid crystal optical switch configured to reduce polarization dependent loss |
US8731402B2 (en) * | 2010-10-12 | 2014-05-20 | Tyco Electronics Subsea Communications Llc | Orthogonally-combining wavelength selective switch multiplexer and systems and methods using same |
CN102169233B (en) * | 2011-01-26 | 2014-07-23 | 阮双琛 | Tunable light splitting and combing device and optical application system |
US20130094087A1 (en) * | 2011-09-29 | 2013-04-18 | Optoplex Corporation | Tunable filter using a wave plate |
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US9712899B2 (en) * | 2014-12-11 | 2017-07-18 | Alcatel Lucent | Hybrid optical switch for software-defined networking |
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US10516922B2 (en) * | 2017-01-20 | 2019-12-24 | Cox Communications, Inc. | Coherent gigabit ethernet and passive optical network coexistence in optical communications module link extender related systems and methods |
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US11317177B2 (en) | 2020-03-10 | 2022-04-26 | Cox Communications, Inc. | Optical communications module link extender, and related systems and methods |
US11146350B1 (en) | 2020-11-17 | 2021-10-12 | Cox Communications, Inc. | C and L band optical communications module link extender, and related systems and methods |
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Citations (95)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3391970A (en) | 1964-06-30 | 1968-07-09 | Ibm | Optical memory in which a digital light deflector is used in a bi-directional manner |
US3500102A (en) | 1967-05-15 | 1970-03-10 | Us Army | Thin electron tube with electron emitters at intersections of crossed conductors |
US3503670A (en) | 1967-01-16 | 1970-03-31 | Ibm | Multifrequency light processor and digital deflector |
US3719414A (en) | 1970-08-28 | 1973-03-06 | Westinghouse Electric Corp | Polarization independent light modulation means using birefringent crystals |
US3892468A (en) | 1973-09-28 | 1975-07-01 | Bell Telephone Labor Inc | Optical scanner utilizing organ arrays of optical fibers |
US3920983A (en) | 1973-10-10 | 1975-11-18 | Gte Laboratories Inc | Multi-channel optical communications system utilizing multi wavelength dye laser |
US4129357A (en) | 1977-08-11 | 1978-12-12 | Nasa | Partial polarizer filter |
US4227208A (en) | 1977-09-17 | 1980-10-07 | Victor Company Of Japan, Ltd. | Optical comb filter |
US4359268A (en) | 1979-03-09 | 1982-11-16 | Nippon Electric Co., Ltd. | Light quantity control apparatus |
US4461543A (en) | 1982-03-26 | 1984-07-24 | Sperry Corporation | Electro optic switch |
US4464022A (en) | 1982-09-28 | 1984-08-07 | At&T Bell Laboratories | Optical circulator |
US4514046A (en) | 1981-12-07 | 1985-04-30 | Gte Laboratories Incorporated | Polarization-insensitive optical switch and multiplexing apparatus |
US4566761A (en) | 1984-09-13 | 1986-01-28 | Gte Laboratories Incorporated | Birefringent optical wavelength multiplexer/demultiplexer |
US4575193A (en) | 1984-04-06 | 1986-03-11 | Eastman Kodak Company | Optical spatial frequency filter |
JPS6197629A (en) | 1984-10-17 | 1986-05-16 | Fujitsu Ltd | Optical switch |
US4626897A (en) | 1982-05-17 | 1986-12-02 | Hitachi, Ltd. | Optical filter for color imaging device |
US4650289A (en) | 1979-02-21 | 1987-03-17 | Fujitsu Limited | Optical circulator |
US4671613A (en) | 1985-11-12 | 1987-06-09 | Gte Laboratories Inc. | Optical beam splitter prism |
US4678287A (en) | 1985-11-04 | 1987-07-07 | Gte Laboratories Incorporated | Methods of and apparatus for tuning a birefringent optical filter |
US4685773A (en) | 1984-09-13 | 1987-08-11 | Gte Laboratories Incorporated | Birefringent optical multiplexer with flattened bandpass |
US4744075A (en) | 1987-04-02 | 1988-05-10 | Gte Laboratories Incorporated | Multichannel wavelength multiplexer/demultiplexer |
US4745591A (en) | 1987-02-24 | 1988-05-17 | Gte Laboratories Incorporated | Multiple channel wavelength division multiplexer/demultiplexer |
US4772104A (en) | 1987-08-10 | 1988-09-20 | Gte Laboratories Incorporated | Achromatic tuner for birefringent optical filter |
EP0307244A1 (en) | 1987-09-11 | 1989-03-15 | BRITISH TELECOMMUNICATIONS public limited company | An optical space switch |
JPH01140134A (en) | 1987-11-27 | 1989-06-01 | Nippon Telegr & Teleph Corp <Ntt> | Optical switch |
JPH027026A (en) | 1988-06-27 | 1990-01-11 | Nippon Telegr & Teleph Corp <Ntt> | Optical changeover switch |
EP0362900A2 (en) | 1984-09-13 | 1990-04-11 | Gte Laboratories Incorporated | Four channel optical wavelength multiplexer |
US4919522A (en) | 1988-02-25 | 1990-04-24 | Geo-Centers, Inc. | Optical switch having birefringent element |
EP0370410A2 (en) | 1988-11-21 | 1990-05-30 | Gte Laboratories Incorporated | Optical wavelength multiplexer/demultiplexer and demultiplexer/remultiplexer |
US5009477A (en) | 1989-05-12 | 1991-04-23 | At&T Bell Laboratories | Optical interconnect arrangement |
US5033830A (en) | 1989-10-04 | 1991-07-23 | At&T Bell Laboratories | Polarization independent optical isolator |
US5040896A (en) | 1989-07-24 | 1991-08-20 | Behzad Moslehi | Three-crystal temperature-compensated reference interferometer for source wavelength stabilization |
JPH03276119A (en) | 1990-03-27 | 1991-12-06 | Mitsubishi Electric Corp | Multiplexing optical system |
JPH04128715A (en) | 1990-09-19 | 1992-04-30 | Meidensha Corp | Optical modulator |
US5111321A (en) | 1990-10-16 | 1992-05-05 | Bell Communications Research, Inc. | Dual-polarization liquid-crystal etalon filter |
US5136671A (en) | 1991-08-21 | 1992-08-04 | At&T Bell Laboratories | Optical switch, multiplexer, and demultiplexer |
US5204771A (en) | 1990-12-17 | 1993-04-20 | Nippon Telegraph And Telephone Corporation | Optical circulator |
US5231521A (en) | 1989-10-30 | 1993-07-27 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
US5243455A (en) | 1990-05-11 | 1993-09-07 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
US5262892A (en) | 1991-07-25 | 1993-11-16 | Kabushiki Kaisha Shinkosha | Optical isolator |
US5274679A (en) | 1991-05-10 | 1993-12-28 | Nec Corporation | Hardware arrangement for specifying data format in asynchronous transmission |
US5299056A (en) | 1992-05-06 | 1994-03-29 | Matsushita Electric Industrial Co., Ltd. | Optical passive component assembly |
US5317655A (en) | 1991-11-01 | 1994-05-31 | E-Tek Dynamics, Inc. | Optical isolator |
US5319483A (en) | 1992-12-04 | 1994-06-07 | Williams Telecommunications Group, Inc. | Polarization independent low cross-talk optical circulator |
JPH06181352A (en) | 1992-12-15 | 1994-06-28 | Fujitsu Ltd | Light amplifier optical module |
US5341444A (en) | 1993-03-19 | 1994-08-23 | At&T Bell Laboratories | Polarization compensated integrated optical filters and multiplexers |
US5345174A (en) | 1991-09-14 | 1994-09-06 | Bruker Analytische Messtechnik | Slice-selective polarization transfer for localized solid-state NMR spectroscopy |
US5351317A (en) | 1992-08-14 | 1994-09-27 | Telefonaktiebolaget L M Ericsson | Interferometric tunable optical filter |
US5355249A (en) | 1992-04-21 | 1994-10-11 | Matsushita Electric Industrial Co., Ltd. | Optical passive components |
US5363228A (en) | 1993-03-05 | 1994-11-08 | General Electric Company | Optical device with spatial light modulators for switching arbitrarily polarized light |
US5381250A (en) | 1992-11-06 | 1995-01-10 | Displaytech, Inc. | Electro-optical switch with 4 port modules with electro-optic polarization rotators |
US5414541A (en) | 1993-06-01 | 1995-05-09 | Bell Communications Research, Inc. | Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45° |
US5414540A (en) | 1993-06-01 | 1995-05-09 | Bell Communications Research, Inc. | Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements |
US5444725A (en) | 1994-09-30 | 1995-08-22 | At&T Ipm Corp. | Multifrequency laser |
US5463493A (en) | 1993-01-19 | 1995-10-31 | Mvm Electronics | Acousto-optic polychromatic light modulator |
US5481402A (en) | 1994-02-22 | 1996-01-02 | Jds Fitel Inc. | Tunable optical filter |
US5488500A (en) | 1994-08-31 | 1996-01-30 | At&T Corp. | Tunable add drop optical filtering method and apparatus |
US5499132A (en) | 1992-05-13 | 1996-03-12 | Matsushita Electric Industrial Co., Ltd. | Optical passive components |
US5574596A (en) | 1995-05-01 | 1996-11-12 | Jds Fitel Inc. | Optical circulator |
US5579420A (en) | 1995-08-23 | 1996-11-26 | Fujitsu Limited | Optical filter |
US5596661A (en) | 1994-12-28 | 1997-01-21 | Lucent Technologies Inc. | Monolithic optical waveguide filters based on Fourier expansion |
US5600742A (en) | 1994-09-30 | 1997-02-04 | Lucent Technologies Inc. | Wavelength grating router with output coupler |
US5606439A (en) | 1996-04-10 | 1997-02-25 | Macro-Vision Technology , Inc. | Tunable add/drop optical filter |
US5619359A (en) | 1994-11-16 | 1997-04-08 | Nec Research Institute, Inc. | Optoelectronic apparatus |
US5680490A (en) | 1995-09-08 | 1997-10-21 | Lucent Technologies Inc. | Comb splitting system and method for a multichannel optical fiber communication network |
US5694233A (en) | 1996-07-23 | 1997-12-02 | Macro-Vision Communications, Llc | Switchable wavelength router |
US5710655A (en) | 1993-07-21 | 1998-01-20 | Apeldyn Corporation | Cavity thickness compensated etalon filter |
US5718226A (en) | 1996-08-06 | 1998-02-17 | University Of Central Florida | Photonically controlled ultrasonic probes |
US5724165A (en) | 1996-07-23 | 1998-03-03 | Macro-Vision Communications, L.L.C. | Fault-tolerant optical routing switch |
US5729377A (en) | 1995-12-26 | 1998-03-17 | Lucent Technologies, Inc. | Optical apparatus |
US5751384A (en) | 1995-05-23 | 1998-05-12 | The Board Of Regents Of The University Of Colorado | Color polarizers for polarizing an additive color spectrum along a first axis and it's compliment along a second axis |
US5771120A (en) | 1995-12-26 | 1998-06-23 | Lucent Technologies Inc. | Optical apparatus with combined polarization functions |
US5781293A (en) | 1993-07-10 | 1998-07-14 | Siemens Plc. | Fourier transform spectrometer utilizing a birefringent optical component |
US5809190A (en) | 1996-11-13 | 1998-09-15 | Applied Fiber Optics, Inc. | Apparatus and method of making a fused dense wavelength-division multiplexer |
US5867291A (en) | 1996-10-29 | 1999-02-02 | Chorum Technologies Inc. | Programmable wavelength router |
US5912754A (en) | 1995-10-18 | 1999-06-15 | Nec Corporation | Method for transmitting WDM optical signal to be amplified by optical amplification repeaters and systems used in same |
US5912748A (en) | 1996-07-23 | 1999-06-15 | Chorum Technologies Inc. | Switchable wavelength router |
US5923472A (en) | 1997-03-17 | 1999-07-13 | Lucent Technologies Inc. | 3-port optical circulator/switch with mirror |
US5930028A (en) | 1998-05-21 | 1999-07-27 | Lucent Technologies Inc. | Split reciprocal polarization switch |
US5930039A (en) | 1997-12-08 | 1999-07-27 | U.S.A Kaifa Technology, Inc. | Optical circulator |
US6002512A (en) | 1998-10-20 | 1999-12-14 | Lucent Technologies, Inc. | Optical circulator using latchable garnet |
US6005697A (en) | 1996-07-23 | 1999-12-21 | Macro-Vision Communications, L.L.C. | Multi-wavelength cross-connect optical network |
US6040942A (en) | 1997-07-24 | 2000-03-21 | Lucent Technologies, Inc. | Polarization separator/combiner |
US6055101A (en) | 1998-08-28 | 2000-04-25 | Lucent Technologies, Inc. | Isolator assembly and method of making |
US6067178A (en) | 1997-09-16 | 2000-05-23 | Oplink Communications, Inc. | Multiple wavelength division multiplexer with reduced loss |
US6091543A (en) | 1997-03-17 | 2000-07-18 | Lucent Technologies Inc. | Apparatus for providing non-reciprocal termination of parallel like polarization modes |
US6097517A (en) | 1995-09-01 | 2000-08-01 | Oki Electric Industry Co., Ltd. | Wavelength router |
US6125221A (en) | 1998-03-19 | 2000-09-26 | Lucent Technologies, Inc. | Three port optical filter |
WO2000057589A1 (en) | 1999-03-22 | 2000-09-28 | Chorum Technologies Lp | Method and apparatus for wavelenght multiplexing/demultiplexing |
US6130971A (en) | 1998-08-06 | 2000-10-10 | Avanex Corporation | Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing a polarization beam splitter and a nonlinear interferometer |
US6134031A (en) | 1993-02-23 | 2000-10-17 | Fujitsu Limited | Polarization control optical space switch |
US6173092B1 (en) | 1999-04-06 | 2001-01-09 | Lucent Technologies, Inc. | Optical mirror switch utilizing walk-off devices |
US6212313B1 (en) | 2000-01-31 | 2001-04-03 | Oplink Communications, Inc. | Optical interleaver |
EP1136857A2 (en) | 2000-03-03 | 2001-09-26 | E-Tek Dynamics, Inc. | Interleaver/deinterleavers causing little or no dispersion of optical signals |
US20010055158A1 (en) | 2000-06-23 | 2001-12-27 | Bin Zhao | Apparatus for channel interleaving in communications |
-
2000
- 2000-12-04 US US09/730,320 patent/US6847786B2/en not_active Expired - Fee Related
-
2001
- 2001-12-04 WO PCT/US2002/000185 patent/WO2003021836A1/en not_active Application Discontinuation
Patent Citations (97)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3391970A (en) | 1964-06-30 | 1968-07-09 | Ibm | Optical memory in which a digital light deflector is used in a bi-directional manner |
US3503670A (en) | 1967-01-16 | 1970-03-31 | Ibm | Multifrequency light processor and digital deflector |
US3500102A (en) | 1967-05-15 | 1970-03-10 | Us Army | Thin electron tube with electron emitters at intersections of crossed conductors |
US3719414A (en) | 1970-08-28 | 1973-03-06 | Westinghouse Electric Corp | Polarization independent light modulation means using birefringent crystals |
US3892468A (en) | 1973-09-28 | 1975-07-01 | Bell Telephone Labor Inc | Optical scanner utilizing organ arrays of optical fibers |
US3920983A (en) | 1973-10-10 | 1975-11-18 | Gte Laboratories Inc | Multi-channel optical communications system utilizing multi wavelength dye laser |
US4129357A (en) | 1977-08-11 | 1978-12-12 | Nasa | Partial polarizer filter |
US4227208A (en) | 1977-09-17 | 1980-10-07 | Victor Company Of Japan, Ltd. | Optical comb filter |
US4650289A (en) | 1979-02-21 | 1987-03-17 | Fujitsu Limited | Optical circulator |
US4359268A (en) | 1979-03-09 | 1982-11-16 | Nippon Electric Co., Ltd. | Light quantity control apparatus |
US4514046A (en) | 1981-12-07 | 1985-04-30 | Gte Laboratories Incorporated | Polarization-insensitive optical switch and multiplexing apparatus |
US4461543A (en) | 1982-03-26 | 1984-07-24 | Sperry Corporation | Electro optic switch |
US4626897A (en) | 1982-05-17 | 1986-12-02 | Hitachi, Ltd. | Optical filter for color imaging device |
US4464022A (en) | 1982-09-28 | 1984-08-07 | At&T Bell Laboratories | Optical circulator |
US4575193A (en) | 1984-04-06 | 1986-03-11 | Eastman Kodak Company | Optical spatial frequency filter |
EP0362900A2 (en) | 1984-09-13 | 1990-04-11 | Gte Laboratories Incorporated | Four channel optical wavelength multiplexer |
US4566761A (en) | 1984-09-13 | 1986-01-28 | Gte Laboratories Incorporated | Birefringent optical wavelength multiplexer/demultiplexer |
US4685773A (en) | 1984-09-13 | 1987-08-11 | Gte Laboratories Incorporated | Birefringent optical multiplexer with flattened bandpass |
JPS6197629A (en) | 1984-10-17 | 1986-05-16 | Fujitsu Ltd | Optical switch |
US4678287A (en) | 1985-11-04 | 1987-07-07 | Gte Laboratories Incorporated | Methods of and apparatus for tuning a birefringent optical filter |
US4671613A (en) | 1985-11-12 | 1987-06-09 | Gte Laboratories Inc. | Optical beam splitter prism |
US4745591A (en) | 1987-02-24 | 1988-05-17 | Gte Laboratories Incorporated | Multiple channel wavelength division multiplexer/demultiplexer |
US4744075A (en) | 1987-04-02 | 1988-05-10 | Gte Laboratories Incorporated | Multichannel wavelength multiplexer/demultiplexer |
US4772104A (en) | 1987-08-10 | 1988-09-20 | Gte Laboratories Incorporated | Achromatic tuner for birefringent optical filter |
EP0307244A1 (en) | 1987-09-11 | 1989-03-15 | BRITISH TELECOMMUNICATIONS public limited company | An optical space switch |
JPH01140134A (en) | 1987-11-27 | 1989-06-01 | Nippon Telegr & Teleph Corp <Ntt> | Optical switch |
US4919522A (en) | 1988-02-25 | 1990-04-24 | Geo-Centers, Inc. | Optical switch having birefringent element |
JPH027026A (en) | 1988-06-27 | 1990-01-11 | Nippon Telegr & Teleph Corp <Ntt> | Optical changeover switch |
EP0370410A2 (en) | 1988-11-21 | 1990-05-30 | Gte Laboratories Incorporated | Optical wavelength multiplexer/demultiplexer and demultiplexer/remultiplexer |
US4987567A (en) | 1988-11-21 | 1991-01-22 | Gte Laboratories Incorporated | Optical wavelength multiplexer/demultiplexer and demultiplexer/remultiplexer |
US5009477A (en) | 1989-05-12 | 1991-04-23 | At&T Bell Laboratories | Optical interconnect arrangement |
US5040896A (en) | 1989-07-24 | 1991-08-20 | Behzad Moslehi | Three-crystal temperature-compensated reference interferometer for source wavelength stabilization |
US5033830A (en) | 1989-10-04 | 1991-07-23 | At&T Bell Laboratories | Polarization independent optical isolator |
US5231521A (en) | 1989-10-30 | 1993-07-27 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
JPH03276119A (en) | 1990-03-27 | 1991-12-06 | Mitsubishi Electric Corp | Multiplexing optical system |
US5243455A (en) | 1990-05-11 | 1993-09-07 | The University Of Colorado Foundation, Inc. | Chiral smectic liquid crystal polarization interference filters |
JPH04128715A (en) | 1990-09-19 | 1992-04-30 | Meidensha Corp | Optical modulator |
US5111321A (en) | 1990-10-16 | 1992-05-05 | Bell Communications Research, Inc. | Dual-polarization liquid-crystal etalon filter |
US5204771A (en) | 1990-12-17 | 1993-04-20 | Nippon Telegraph And Telephone Corporation | Optical circulator |
US5274679A (en) | 1991-05-10 | 1993-12-28 | Nec Corporation | Hardware arrangement for specifying data format in asynchronous transmission |
US5262892A (en) | 1991-07-25 | 1993-11-16 | Kabushiki Kaisha Shinkosha | Optical isolator |
US5136671A (en) | 1991-08-21 | 1992-08-04 | At&T Bell Laboratories | Optical switch, multiplexer, and demultiplexer |
US5345174A (en) | 1991-09-14 | 1994-09-06 | Bruker Analytische Messtechnik | Slice-selective polarization transfer for localized solid-state NMR spectroscopy |
US5317655A (en) | 1991-11-01 | 1994-05-31 | E-Tek Dynamics, Inc. | Optical isolator |
US5355249A (en) | 1992-04-21 | 1994-10-11 | Matsushita Electric Industrial Co., Ltd. | Optical passive components |
US5299056A (en) | 1992-05-06 | 1994-03-29 | Matsushita Electric Industrial Co., Ltd. | Optical passive component assembly |
US5499132A (en) | 1992-05-13 | 1996-03-12 | Matsushita Electric Industrial Co., Ltd. | Optical passive components |
US5351317A (en) | 1992-08-14 | 1994-09-27 | Telefonaktiebolaget L M Ericsson | Interferometric tunable optical filter |
US5381250A (en) | 1992-11-06 | 1995-01-10 | Displaytech, Inc. | Electro-optical switch with 4 port modules with electro-optic polarization rotators |
US5319483A (en) | 1992-12-04 | 1994-06-07 | Williams Telecommunications Group, Inc. | Polarization independent low cross-talk optical circulator |
JPH06181352A (en) | 1992-12-15 | 1994-06-28 | Fujitsu Ltd | Light amplifier optical module |
US5463493A (en) | 1993-01-19 | 1995-10-31 | Mvm Electronics | Acousto-optic polychromatic light modulator |
US6134031A (en) | 1993-02-23 | 2000-10-17 | Fujitsu Limited | Polarization control optical space switch |
US5363228A (en) | 1993-03-05 | 1994-11-08 | General Electric Company | Optical device with spatial light modulators for switching arbitrarily polarized light |
US5341444A (en) | 1993-03-19 | 1994-08-23 | At&T Bell Laboratories | Polarization compensated integrated optical filters and multiplexers |
US5414541A (en) | 1993-06-01 | 1995-05-09 | Bell Communications Research, Inc. | Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45° |
US5414540A (en) | 1993-06-01 | 1995-05-09 | Bell Communications Research, Inc. | Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements |
US5781293A (en) | 1993-07-10 | 1998-07-14 | Siemens Plc. | Fourier transform spectrometer utilizing a birefringent optical component |
US5710655A (en) | 1993-07-21 | 1998-01-20 | Apeldyn Corporation | Cavity thickness compensated etalon filter |
US5481402A (en) | 1994-02-22 | 1996-01-02 | Jds Fitel Inc. | Tunable optical filter |
US5488500A (en) | 1994-08-31 | 1996-01-30 | At&T Corp. | Tunable add drop optical filtering method and apparatus |
US5444725A (en) | 1994-09-30 | 1995-08-22 | At&T Ipm Corp. | Multifrequency laser |
US5600742A (en) | 1994-09-30 | 1997-02-04 | Lucent Technologies Inc. | Wavelength grating router with output coupler |
US5619359A (en) | 1994-11-16 | 1997-04-08 | Nec Research Institute, Inc. | Optoelectronic apparatus |
US5596661A (en) | 1994-12-28 | 1997-01-21 | Lucent Technologies Inc. | Monolithic optical waveguide filters based on Fourier expansion |
US5574596A (en) | 1995-05-01 | 1996-11-12 | Jds Fitel Inc. | Optical circulator |
US5751384A (en) | 1995-05-23 | 1998-05-12 | The Board Of Regents Of The University Of Colorado | Color polarizers for polarizing an additive color spectrum along a first axis and it's compliment along a second axis |
US5579420A (en) | 1995-08-23 | 1996-11-26 | Fujitsu Limited | Optical filter |
US6097517A (en) | 1995-09-01 | 2000-08-01 | Oki Electric Industry Co., Ltd. | Wavelength router |
US5680490A (en) | 1995-09-08 | 1997-10-21 | Lucent Technologies Inc. | Comb splitting system and method for a multichannel optical fiber communication network |
US5912754A (en) | 1995-10-18 | 1999-06-15 | Nec Corporation | Method for transmitting WDM optical signal to be amplified by optical amplification repeaters and systems used in same |
US5729377A (en) | 1995-12-26 | 1998-03-17 | Lucent Technologies, Inc. | Optical apparatus |
US5771120A (en) | 1995-12-26 | 1998-06-23 | Lucent Technologies Inc. | Optical apparatus with combined polarization functions |
US5606439A (en) | 1996-04-10 | 1997-02-25 | Macro-Vision Technology , Inc. | Tunable add/drop optical filter |
US6005697A (en) | 1996-07-23 | 1999-12-21 | Macro-Vision Communications, L.L.C. | Multi-wavelength cross-connect optical network |
US5724165A (en) | 1996-07-23 | 1998-03-03 | Macro-Vision Communications, L.L.C. | Fault-tolerant optical routing switch |
US5694233A (en) | 1996-07-23 | 1997-12-02 | Macro-Vision Communications, Llc | Switchable wavelength router |
US5912748A (en) | 1996-07-23 | 1999-06-15 | Chorum Technologies Inc. | Switchable wavelength router |
US5718226A (en) | 1996-08-06 | 1998-02-17 | University Of Central Florida | Photonically controlled ultrasonic probes |
US6163393A (en) | 1996-10-29 | 2000-12-19 | Chorum Technologies Inc. | Method and apparatus for wavelength multipexing/demultiplexing |
US5867291A (en) | 1996-10-29 | 1999-02-02 | Chorum Technologies Inc. | Programmable wavelength router |
US5809190A (en) | 1996-11-13 | 1998-09-15 | Applied Fiber Optics, Inc. | Apparatus and method of making a fused dense wavelength-division multiplexer |
US5923472A (en) | 1997-03-17 | 1999-07-13 | Lucent Technologies Inc. | 3-port optical circulator/switch with mirror |
US6091543A (en) | 1997-03-17 | 2000-07-18 | Lucent Technologies Inc. | Apparatus for providing non-reciprocal termination of parallel like polarization modes |
US6040942A (en) | 1997-07-24 | 2000-03-21 | Lucent Technologies, Inc. | Polarization separator/combiner |
US6067178A (en) | 1997-09-16 | 2000-05-23 | Oplink Communications, Inc. | Multiple wavelength division multiplexer with reduced loss |
US5930039A (en) | 1997-12-08 | 1999-07-27 | U.S.A Kaifa Technology, Inc. | Optical circulator |
US6125221A (en) | 1998-03-19 | 2000-09-26 | Lucent Technologies, Inc. | Three port optical filter |
US5930028A (en) | 1998-05-21 | 1999-07-27 | Lucent Technologies Inc. | Split reciprocal polarization switch |
US6130971A (en) | 1998-08-06 | 2000-10-10 | Avanex Corporation | Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing a polarization beam splitter and a nonlinear interferometer |
US6055101A (en) | 1998-08-28 | 2000-04-25 | Lucent Technologies, Inc. | Isolator assembly and method of making |
US6002512A (en) | 1998-10-20 | 1999-12-14 | Lucent Technologies, Inc. | Optical circulator using latchable garnet |
WO2000057589A1 (en) | 1999-03-22 | 2000-09-28 | Chorum Technologies Lp | Method and apparatus for wavelenght multiplexing/demultiplexing |
US6173092B1 (en) | 1999-04-06 | 2001-01-09 | Lucent Technologies, Inc. | Optical mirror switch utilizing walk-off devices |
US6212313B1 (en) | 2000-01-31 | 2001-04-03 | Oplink Communications, Inc. | Optical interleaver |
EP1136857A2 (en) | 2000-03-03 | 2001-09-26 | E-Tek Dynamics, Inc. | Interleaver/deinterleavers causing little or no dispersion of optical signals |
US20010055158A1 (en) | 2000-06-23 | 2001-12-27 | Bin Zhao | Apparatus for channel interleaving in communications |
Non-Patent Citations (15)
Title |
---|
Amman, "Synthesis of Electro-Optic Shutters having a Prescribed Transmission vs Voltage Characteristic", Journal of the Optical Society of America (vol. 56, No. 8, pp. 1081-1088, Aug. 1966). |
Chung et al., "Analysis of a Tunable Multichannel Two-Mode-Interference Wavelength Division Multiplexer/Demultiplexer", Journal of Lightwave Technology (vol. 7, No. 5, May 1989). |
Damask et al., "Wavelength-Division Multiplexing using Channel-Dropping Filters", Journal of Lightwave Technology (vol. 11, No. 3, Mar. 1993). |
Dingel and Izutsu, "Multifunction Optical Filter with a Michelson-Gires-Tournois Interferometer for Wavelength-Division-Multiplexed Network System Applications", Optical Letters (vol. 23, p. 1099, Jul. 1998). |
H. F. Mahlein, Fiber-Optic Communication in the Wavelength-Division Multiplex Mode, Fiber and Integrated Optics, 1983, pp. 339-373, vol. 4, No. 4, Crane, Russak & Co., Inc. |
Harris et al., "Optical Network Synthesis Using Birefringent Crystals. *I. Synthesis of Lossless Networks of Equal-Length Crystals", Journal of the Optical Society of America (vol. 54, No. 10, pp. 1267-1279, Oct. 1964). |
Hideki Ishio et al., Review and Status of Wavelength-Division-Multiplexing Technology and Its Application, Journal of Lightwave Technology, Aug. 1984, pp. 448-463, vol. LT-2, No. 4, IEEE. |
Inoue et al., "A Four-Channel Optical Waveguide Multi/Demultiplexer for 5-GHz Spaced Optical FDM Transmission", Journal of Lightwave Technology (vol. 6, No. 2, Feb. 1988). |
Nosu et al., "Optical FDM Transmission Technique", Journal of Lightwave Technology (vol. LT-5, No. 9, Sep. 1987). |
P. Melman et al., Tunable Birefringent Wavelength-Division Multiplexer/Demultiplexer, Electronics Letters, The Institution of Electrical Engineers Publishing & Information Services. |
PCT Report for PCT/US 02/ 00185, 8 pages, Oct. 9, 2002. |
Sakano et al., "Turnover-Type Free-Space Multichannel Optical Switch," OSA Proceedings on Photonics in Switching, vol. 16, Mar. 15, 1993. |
Senior et al., "Devices for Wavelength-Multiplexing and Demultiplexing", IEE Proceedings (vol. 136, Pt. J, No. 3, Jun. 1989). |
W. J. Carlsen et al., Flat Passband Birefringent Wavelength-Division Multiplexers. |
Yohji Fujii et al., Wavelength-Division Multi/Demultiplexer Utilizing Optically Active Crystals, Journal of Lightwave Technology, Jul. 1990, pp. 1051-1054, vol. 8, No. 7, IEEE. |
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